Question

ANSWER ALL

34. The Pineal gland secretes ___ which is regulated by ___ to promote sleep/wake cycles:

a. aldosterone; nutritional levels in the hypothalamus

b. Dopamine; seasonal changes in light

c. Melatonin; light input to the retina

41. Frequent urination and thirst are one of the first symptoms of diabetes mellitus. Which of the following is NOT true about diabetes Mellitus( DM)?

a. In type I DM, the body does not make insulin

b. In type II DM, the body does not respond to insulin

c. Frequent urination of DM is due to a decrease in ADH

d. DM has excessive glucose/osmolarity in the urine

e. DM patients have ketoacidosis

11. which of the following enzymes is/are used to breakdown proteins into amino acids?

a. amylase

b. lipase

c. protease

d. all of the above

42. your class mate had trouble sleeping after watching snapchat video right before going to sleep. Which of the following hormones were disrupted?

a, aldosterone

b. cortisol

c. glucagon

d. melatonin

Answer 1

34. C, Melatonin, light input to the retina

             Melatonin is the hormone secreted by pineal gland. Secretion is influenced by the amount of light entering the eye stimulating the optic pathways and levels fluctuate during each 24 hour period.

41. C, Frequent urination of DM is due to decrease in ADH

              The frequent urination is due to increased glucose in the blood. When there is an increase in blood glucose levels, the body tries to flush it out of blood into nephrons, to excrete from urine.

11. C, Protease

         The proteins are digested into smaller units called amino acids by proteases, trypsin and chymotrypsin.

42. D, Melatonin