Anatomy and Physiology Questions

Question 40 5 points Which of the following bones is properly matched with its function Clavicle helps keep the shoulder in place Femur supports the movement of the forearm Ulna articulate with the clavicle and the humerus Scapula provide attachment for ligaments that allow movement of the

The bottom layer of the epidermis and the top layer of the dermis interconnect Which of the following is a correct description of this The epidermis has papillae and the dermis has keratinocytes The epidermis has desmosomes and the dermis has papillae The epidermis has adipose and the dermis has papillae The epidermis has papillae and the epidermis has desmosomes

Which type of cancer affects the keratinocytes Squamous cell carcinoma Basal cell carcinoma Melanom None of the above

Why would there be a extra layers of epidermis on the palms The extra layer of flat densely packed cells allow for extra sensory receptors to interact with the environment It allows for more phagocytes to protect against microorganisms The extra layer of flat densely packed cells allow for extra protection against the environment Stoy This layer is spiny and adds extra flexibility to the epidermis

Which of the following events is not a true statement Apocrine glands become active at puberty Cells divide less frequently and result in thinner skin as a person age Breakdown of elastin causes wrinkling of skin Sweat glands secrete a reduced amount as a result of puberty

Which disease is the result of plugged sebaceous gland Psoriasis Melanoma Acne O Bed sores

What is the definition of a synapse The rapid rise and drop in membrane potential that occurs when a neuron fires O The amount of time it takes for a neuron to fire another action potential Specialized junctions through which neurons can signal to each other and other cells via neurotransmitter molecules An area of tissue that has been damaged

Time Left 1 27 32 Marquis Artis Attempt 1 Please identify the highlighted structure or structures BONE FEATURES Ankle and foot

Please identify the highlighted structure or structures Jar

Which of the following analogies best describes negative feedback homeostasis When you press the gas pedal and the car accelerates When you turn the key in the ignition and the car starts When the car burns fuel to produce torque When cruise control is used to maintain the speed of the car even on hilly terrain

Think about a chicken When you eat the breast meat it is white This white meat is muscle What type of muscle would it be It would be SO slow oxidative because chickens need to fly for long distances It would be FO fast oxidative because to be white in color there needs to be myoglobin It would be FG fast glycolytic because chickens fly for only short quick amounts of time

Predict which of the following would probably not be a problem if blood calcium homeostasis could not be maintained cellular communication heart problems problems with appetite enzyme activation muscle contraction

DA ole EXCOMM ember udience ture History Lasses ormat Letter Directions Write a 5 sentence RAFT using the criteria on the left hand side Be sure to include the information used in the slides that required you to EVALUATE these 13 DAYS 3

What physiological processes are regulated by positive feedback only pathological or disease processes have positive feedback processes that can cause runaway conditions normal physiological processes there are no biological examples of positive feedback

Which feedback mechanism is most commonly used to maintain homeostasis for living things negative feedback positive feedback both positive feedback and negative feedback are used equally neither positive feedback and negative feedback is used

What phrase best describes homeostasis disruption of processes equilibrium feedback loops maintaining a relatively stable environment

if cell number in a tissue is not homeostatically maintained and there is an overproduction of abnormal cells as a result apoptosis infection tumor

Time Left 1 59 14 Marquis Artis Attempt i Please identify the highlighted structure or structures

Please identify the highlighted structure or structures

Question 2 5 points Please identify the highlighted structure or structures A

Phasic sensory receptors A adapt quickly to an ongoing stimulus B adapt slowly to an ongoing stimulus OC Only report changes in a stimulus when it begins and ends D Constantly report a stimulus is present OE A and Care both correct

The plantar reflex is elicited when the sole of the foot is stimulated with a blunt instrument True False

8 Olfactory 10 Optic 4 Oculomotor 11 Trigeminal 12 Abducens 2 Vestibulocochlear 3 Vagus 5 Accessory 6 Trochlear 1 Facial 7 Glossopharyngeal 9 Hypoglossal Click Save and Submit to save and submit Click Save All Answers t 55 F Mostly rie A B E H 1 D 2 J 3 G 4 C 5 H 6 1 7 F 8 A 9 L 10 B 11 K 12 E

Ghrelin is a hormone that is released from adipose tissue when we are hungry True E lea

Match the following terms describing the functions of structures involved in vision and hearing A cornea F fovea centralis G optic disc aqueous humor A vitreous humor B cochlea Av vestibule vsemicircular canals A jellylike substance that maintains the shape of the eye and holds the retina in place B contains the organ of Corti spiral organ and the sensory receptors for hearing C Light must pass through this structure first refracts light continuously without accommodation D circulates through the anterior and posterior chambers and drains through the canal of Schlemm disruption in this circulation can lead to glaucoma E contains crista ampullaris and is responsible for dynamic equilibrium F location where cones are concentrated area of enhanced visual acuity G blind spot since no photoreceptors are located in this region H contains the utricle and saccule and is responsible for static equilibrium

are mechanoreceptors found in the skin of your fingertips that rapidly adapt they would sense the texture of sandpaper only if you were rubbing your fingertip across its surfac O lamellar Pacinian corpuscles O Bulbous corpuscles Ruffini end organs O Tactile Merkel discs O Tactile Meissner s corpuscles

is an example of a an effector that is dually innervated by the sympathetic and parasympathetic divisions of the autonomic nervous system heart O sweat glands O kidney adrenal gland

ne muscle spindle O flower spray endings alpha motor neurons tendon organs receptor detects the tension of a muscle and prevent muscles and tendons from tearing by causing a muscle to relax

The following hormone s secretion results from a humoral stimulus Oparathyroid hormone Othyroid hormone O testosterone Ogrowth hormone

Match the trait with the correct division of the ANS Fibers originate in the brain stem and sacral spinal cord Fibers originate in the thoracic and lumbar spinal cord Preganglionic fibers are short Preganglionic fibers are long Postganglionic fibers are short Postganglionic fibers are long Ganglia are close to effector organs Ganglia are close to spinal cord Rest and Digest division Fight or flight division V A Parasympa B Sympathet

What determines the intensity of a sensory stimulus O the frequency of the sensory nerve impulse the speed of the action potential the height of the action potential O how quickly the receptor adapts

Sciatic nerve Musculoskeletal nerve Phrenic nerve Obturator nerve A Lumbar plex B Sacral plexu C Brachial plex D Cervical plex

Sound waves are conducted from the middle ear into the membranous labyrinth of the inner ear at this precise point O When the tympanic membrane is vibrated O As the wave travels from the scala vestibuli and over the basilar membrane O When stapes taps on the oval window and transfers the sound wave into the scala vestibuli O When the wave of perilymph coming through the scala tympani is dampened at the round window

system communicates rapidly through electrical impulses and has very short lived effects while the The akes longer to initiate a response the impact of the system is much longer in duration O nervous endocrine O endocrine nervous O immune nervous O endocrine immune system communicates through molecules released into the circulatory system and althou

Nociceptors respond to O stretch in the skeletal muscle fibers O temperature O potentially damaging stimuli that result in pain O light touch and vibration O light

A person suffering from Meniere s Disease has endolymph build up throughout the entire inter ear labyrinth leading to faulty activity of the hair cells Which of the following symptoms might you expect to observe O difficulty hearing O difficulty standing O vertigo and nausea all of the above

LL V F E Agonist Muscle Effector Axon of sensory neuron Axon carrying signal for recipricol inhibition Efferent Motor Neuron B Interneuron Antagonist Muscle Muscle spindle D 1 II B III C IV D V E VI F VII G

Cat s are not as good at distinguishing color as humans but they have excellent night vision One reason is because they have more photopigments than humans they have more rods than cones Their cones continuosly release neurotransmitters onto the bipolar cells in the dark their photoreceptors have a depolarized resting membrane potential

In countries where iodine is not added to table salt people often have colloid O goiters O bulging eyeballs O yellow skin due to overstimulation of the thyroid gland by TSH

Although oxytocin stimulates most of the cells of the body to enlarge and divide its major targets are the bone and skeletal muscle O leptin Ogrowth hormone O thyroid hormone

A drug used to treat asthma binds to and activates adrenergic receptors increasing the diameter of the airways allowing more air to enter the lungs This day is the endogenous neurotransmitter parasympathetic acetylcholine sympathetic acetycholine parasympathetic norepinephrine sympathetic norepinephrine

Aldosterone is secreted by the adrenal cortex small intestines medulla small intestines cortex kidneys medulla kidneys and acts on the

Which answer describes hypothyroidism a weight gain and dry skin Ob weight loss O c low levels of T3 and T4 Od a and c are both correct

Within each saccule and utricle wall are the maculae the position of the head in space crista ampullaris rotational movements of the head maculae rotational movements of the head O crista ampullaris the position of the head in space which contain sensory receptors responsible for detecting

is a hormone produced by neurons in the hypothalamus but secreted by the pituitary gland GnRH gonadotropin releasing hormone corticotropin releasing hormone CRH oxytocin prolactin

The following structure is innervated by the sympathetic nervous system but NOT the parasympathetic nervous system heart stomach OOC Oblood vessels iris

The following is the most likely outcome from a lipid soluble hormone binding to its receptor OAG protein is activated A new protein is created inside the cell The receptor is an ion channel and causes a change in the membrane potential of the target cell A second messenger is activated

are lipid soluble hormones O Peptides Steroids OEpinephrine and Norepinephrine O Proteins

The hormone epinephrine gets secreted by the adrenal gland in response to direct input from a preganglionic sympathetic neuron This is an example of endocrine humoral paracrine neural stimulation of an endocrine organ

photoreceptors are very sensitive to photostimulation and are thus best suited for O Rods color vision O Rods night vision Cones night vision Cones color vision