Head and Neck Questions and Answers

The left ventricle wall of the heart is thicker than the right wall in order to: A. Pump blood with a greater pressure B. Accommodate a greater volume of blood C. Pump blood through a smaller valve D. Pump more blood since the left feeds the entire body except the lungs

Describe the cause of hydrocephalus and explain why this condition is much more serious in adults than in newborns.

A baseball player was hit on the left side of his face. The corner of his mouth droops, facial expressions are not same. Which cranial nerve was damaged? accessory facial glossopharyngeal optic oculomotor

Jack runs a company and is constantly under pressure. When he went to the doctor recently, he was advised to engage in aerobic exercises that would make his heart pump faster and therefore function more efficiently. Which disease was he most likely diagnosed with? A cancer B. diabetes C. hypertension .D.osteoporosis

Pituitary adenomas can be treated by the surgical method called transphenoidal thyroidectomy transphenoidal adenomectomy transphenoidal adrenalectomy transphenoidal pituitarectomy

Tetrodotoxin is the toxin present in puffer fish. Tetrodotoxin blocks voltage gated Na+ channels which would result in of action potentials. A. augmentation B. inhibition

If a neurotransmitter binds to a direct, ligand-gated receptor channel (aka an ionotropic receptor)-- which statement(s) must ALWAYS be true? A. ions flow through the ligand gated ion channel when the neurotransmitter is present B. a ligand-gated ion channel is activated by the neurotransmitter on the postsynaptic membrane C. a G-protein is activated by the neurotransmitter-receptor complex on the postsynaptic membrane D. acetylcholine is the neurotransmitter

The -------------- communicates information about pain, temperature, and crude touch. A. anterolateral system B. cerebrospinal tract C. dorsal column system D. spinocerebellar tract

Give two reasons why resonant consonants like nasals are produced with relatively weak intensity.

The corpus callosum connects the frontal lobe to the occipital lobe. is found at the base of the transverse fissure. is a band of commissural fibers that connects the right cerebral hemisphere to the left cerebral hemisphere. connects the frontal lobe to the parietal lobe. consists of a broad band of gray matter.

Which is the correct sequence of steps in the scientific method? observation form hypothesis - design an experiment - collect data - analyze results form hypothesis - observation - design an experiment - collect data - analyze results form hypothesis - observation collect data analyze results - design an experiment observation - analyze results - draw conclusion - design an experiment - form hypothesis observation - analyze results - form hypothesis - draw conclusions - design an experiment

Select the correct answer. Why did Gandhi most likely write this speech using a disapproving tone? A. He wanted to suggest that His Highness the Maharaja should have provided better jewelry for the ceremony. B. He wanted to motivate the wealthy to be more selfless toward the poor. C. He wanted to criticize the millions of poor that were not truly loyal to their country. D. He wanted to indicate that he prefers King George to the King-Emperor.

Explain the key elements of effective listening and explain why listening is important to leader communication.

Why is seniority considered a critical issue?

Which of the following is true about the movement of ions across excitable living membranes? lons always move actively across membranes through leakage channels. lons always move passively across membranes. lons always move from an area of higher concentration to an area of lower concentration. Sodium channels in the membrane can open in response to electrical potential changes.

Like the data on behavior, the relationship between organ morphology and metabolic rate is a correlation. How do we obtain definitive data?