Introduction to Physiology Questions and Answers

Which of the following is NOT true about lymph nodes? Lymph nodes are small and bean-shaped clusters. Lymph nodes are found in the neck, armpits, and abdomen. The lymph nodes are ovoid large organs located in the abdominal cavity. The lymph nodes receive the immune cells.

What are the causes of muscle cramps? Fatigue Dehydration Extreme activity All of the choices

You travel from Toronto (atmospheric pressure = 750 mmHg) to the peak of Mount Everest (atmospheric pressure = 250 mmHg). In both locations FO₂ is 20% and the air contains no humidity. What is the difference in PO₂ between the two sites? 200 mmHg 50 mmHg 100 mmHg 150 mmHg

Which of the following outlines the cell cycle in the correct order? a. Mitosis, interphase, cytokinesis b. Interphase, mitosis, cytokinesis c. Interphase, cytokinesis, mitosis d. Cytokinesis, mitosis, interphase

John engages often in telephone scatologia. He most likely would get sexually aroused when the person he called "talks dirty" back. his victim reacts in a shocked manner. he gets someone's volce mall and can leave a long message. they breathe heavily into the phone.

"An apple fell off the counter in the kitchen and no one was in the kitchen. A ghost must have pushed it off the counter.!" This is an example of which sort of logical argument? deduction analogy causal induction

Which of the following media selects for gram negative bacteria by inhibiting the growth of gram positives that typically incorporate its dye component into their relatively bigger cell walls? blood agar EMB Mannitol salt agar Simmon citrate agar Ourease broth

Which person is most at risk to abuse drugs because of peer pressure? A.Everyone in Margene's family smokes. She has decided not to start. Her best friends are also committed to abstaining from tobacco use. B. Jacob plays basketball and has to be the best player on the team. He practices all the time and eats a diet high in protein, carbohydrates, and vitamins. C.Rhonda's parents work hard, and the whole family checks on her social life regularly to make sure she studies and stays active. D.Ramon is outgoing and likes to give parties at his house. He's easygoing, and he likes the company because his parents are away a lot.

Which is incorrect: A. biofilms attach bacteria to surfaces B. biofilms protect bacteria C. biofilms are often polymicrobial D. biofilms make bacteria more sensitive to antibiotics

Using the Table above as a guide, Indicating what media could be used to differentiate the organisms in each pair. S. aureus vs. S. saprophyticus staph.jpg A. Bile esculin B. mannitol salt agar C.7.5% NaCl D. coagulation of plasma

_____streak method is preferred when plating and counting urine

Which of the following bacteria genera is a coliform? Proteus Salmonella Enterobacter Shigella

Which buffer system seems more effective, the HCO, system or the H2PO, system? WHY??

Using your estimate of alveolar Pco₂ above, estimate the pH of the blood plasma in the Pco2 lungs just after hyperventilation.

'Intravenous infusions of sodium bicarbonate are often given to acidotic patients to correct the acidosis and relieve the strain of rapid breathing. Explain why HCO3 is helpful, using an equation to illustrate.' bib pool woh

Select the correct answer. Which is a possible non-verbal sign of someone contemplating suicide? A. giving away possessions B. saying "I feel like a burden." C. writing song lyrics in which death is the main idea

The effect of alcohol varies from one person to another, mostly because it depends on the blood alcohol concentration, or BAC. What does blood alcohol concentration NOT depend on? A.amount of food in the stomach B.gender and size of the drinker C.rate of consumption D. time of drinking

If Jason wants to build muscle mass in a healthy way, what kind of exercise should he include in his fitness program? A.aerobic B.anaerobic C.cardio

Dietary supplements can help make up for nutrients missing from our diet. Which supplement would most likely be recommended for someone suffering from anemia? A calcium B. iron C mineral D. vitamin

Which of the following is a medicine that stimulates the body's immune response to make disease-fighting molecules to attack a specific pathogen? A. analgesic B.antibiotic C. antitoxin

A person addicted to heroin went through the following treatment to stop his drug abuse: a doctor gradually replaced his daily heroin dosage with the legal drug methadone. What kind of treatment is this? A.detoxification B.supervised medication C. therapeutic community

Steroid use can have several physical consequences. What effect can the use of steroids have on men? A. deepened voice B. enlarged breasts C. increased facial hair

In which stage of the stress response do our bodies release the hormone adrenaline? A. alarm B. resistance C. fatigue

Your good friend Monica has started using drugs, and you're worried about her. How should you try to help her quit drugs? A. Tell her you're concerned for her, and offer to go with her to speak with someone that can help. B.Make it clear that you have problems with both Monica and her behavior. C.Criticize Monica's behavior and threaten to call her parents.

Several treatments are available to those struggling with drug abuse to overcome their addiction. Which type of treatment focuses mostly on group or individual counseling? A. detoxification B.outpatient drug-free treatment C.supervised medication D.maintenance therapy

What kind of help does the support group American Council on Alcoholism provide? A.It helps friends and family deal with the alcoholic. B.It provides referrals and information about treatment facilities. C.It educates people on the ill effects of alcoholism.

Jessica's friend has decided to quit smoking. What should Jessica do to encourage her friend? A.Use reverse psychology by telling her that she will never be able to quit. B.Celebrate smoke-free days with her and give her small gifts for not smoking. C.Carefully monitor her and scold her whenever she sneaks a cigarette.

Select the correct answer. Which is a possible verbal sign of a person contemplating suicide? A. writing poems in which death is the main idea B. withdrawn from activities C. loss of interest in once-loved activities

Select the correct answer. Which of these statements describes clinical depression? A. a milder form of depression that usually follows a traumatic event B. a medical condition that may occur due to a chemical imbalance in the brain C. alternate feelings of extreme happiness and extreme sadness

A total count above__WBCs/µL is called leukocytosis. 10,000 50,000 100,000 5,000

During platelet plug formation, platelets stick to the exposed collagen fibers of injured vessels. thrombin is released from endothelial cells. platelets multiply. activated platelets release fibrinogen.

In hemolytic disease of the newborn: antibodies from the fetus cross the placenta and affect the mother. antibodies from the mother cross the placenta and affect the fetus. hemolysis of white blood cells may occur. fibrin is hydrolyzed.

Which of the following is true about the enterotube? "it has 12 agars, but 15 tests" "it has 15 agars, but 12 tests" ''it has upto 27 agars (15+12) it has upto 3 agars (15-12) colorless

if you suspect that a UTI infection was either caused by Staphylococcus or E. coli bacteria. Which of the following agar could you grow both species to give you a better idea of the causative bacteria? blood agar EMB oxidase catalase urease

Which of the following is the most common type of urine sample and can be taken at any time of the day? A. timed urine specimen B. random urine specimen C. clean-catch midstream urine specimen D. first morning urine specimen

What type of hemolysis is displayed by S. pneumoniae? A. beta B. gamma C. alpha

Yeast infection following antibiotic therapy is an example of acute chronic direct contact opportunistic exogenous Infection

Which organ-the stomach or the small intestine presents the greater surface area for absorption? Why?

The complement system of blood proteins that acts to lyse foreign cells and viruses is an example of specific immunity non specific immunity memory immunity none of these

Cytotoxic T cells Secrete antibodies Function in allergic reactions Directly destroy target cells Activate B cells and other T cells Suppress immune reactions

In this assignment, you will conduct research to understand your city and state laws on underage alcohol use and driving under the influence, as well as the consequences for breaking those laws. You will complete a decision-making process document in order to respond to the prompt. In 2-3 paragraphs, use the information you learned about your city and state laws to evaluate the consequences of underage drinking on individuals and their families. Include links to any information you gathered.

Which of the following has an oligodynamic property? gold foil mercury silver amalgam all of these

Plasma (B) cells are those leukocytes that function in the production of antibodies as phagocytes in body resistance as manufacturers of coagulase to neutralize acidic environments all of these

Which of the following modes of action would be most selectively toxic? Interrupting ribosomal function Preventing cell wall synthesis Dissolving the cell membrane Inhibiting DNA replication

The hematocrit is the percentage of the volume of a blood sample made up of platelets. plasma. red blood cells. white blood cells.

is an increased rate of red blood cell destruction. Pernicious anemia Leukopenia Aplastic anemia Hemolytic anemia

Which type of leukocyte has granules that release histamine and heparin? Neutrophil Basophil Lymphocyte Monocyte

Arrange these components of the mammalian immune system as it first responds to a pathogen in the correct sequence. I Pathogen is destroyed. II. Lymphocytes secrete antibodies. III. Antigenic determinants from pathogen bind to antigen receptors on lymphocytes. IV. Lymphocytes specific to antigenic determinants from pathogen become numerous. V. Only memory cells remain. III-IV-II-I-V II-I-IV-III - V III-II-I- V - IV IV-II-III-I- V I-II-II-IV-V

The pre-programmed response of the immune system is which response? specific nonspecific

Segments of what are located on the chromosomes? A. genetics B. proteins C. DNA