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Worksheets

Physiology

Total questions: 20

Worksheet time: 40mins

Name
Class
Date
1.

A patient was diagnosed to have VIPoma after biopsy. VIPoma secretes large amount of vasoactive intestinal polypeptide. Which of the following will not be seen in this patient?

a)

Diarrhea

b)

Facial flushing

c)

Hyperacidity

d)

Hypokalemia

2.

A patient with tumor secreting abnormal amounts of gastrin (gastrinoma) would be most likely to exhibit which of the following?

a)

Decreased chief cell exocytosis

b)

Duodenal ulceration

c)

Increased gastric pH in the period between meals

d)

Reduced incidence of gastroesophageal reflux disease

3.

A 52-year-old woman who has been dieting for several weeks breaks down and eats half a pan of frosted brownies. Insulin secretion following a fat-rich meal is stimulated by?

a)

Cholecystokinin

b)

Gastrin

c)

VIP

d)

GLP-1

4.

A 42-year-old man develops a gastric carcinoma affecting the proximal third of this stomach. He is scheduled for a partial gastrectomy of the affected region. Which of the following processes will be most affected by surgery?

a)

Receptive relaxation

b)

Peristalsis

c)

Retropulsion

d)

Segmentation

5.

A new mother calls the pediatrician because she is concerned that her infant defecates after every meal. Which of the following is the cause of normal bowel movements in newborns?

a)

Defecation reflex

b)

Gastrocolic reflex

c)

Gastro-ileal reflex

d)

Intestino-intestinal reflex

6.

Saliva is important in lubrication, protection and even digestion of some carbohydrates. High flow rate of salivary secretion will have the following content EXCEPT?

a)

Low sodium

b)

Low potassium

c)

Isotonic

d)

Lingual lipase

7.

Which of the following would not be produced by total pancreatectomy?

a)

Vitamin E deficiency

b)

Hyperglycemia

c)

Weight gain

d)

Decreased absorption of amino acid

8.

57-year-old woman undergoes resection of the terminal ileum as part of treatment for her chronic inflammatory bowel disease. Removal of the terminal ileum will most likely result in which of the following?

a)

Decreased glucose absorption

b)

Decreased water content of the feces

c)

Increased bile acid concertation in the enterohepatic circulation

d)

Increased excretion of fatty acids

9.

30-year-old pregnant female was diagnosed with hyperthyroidism due to elevated T3 and T4. When referred to specialist, she is said to be Euthyroid because:

a)

Wrong blood sample was submitted

b)

Absence of Anti-thyroglobulin receptor

c)

Elevated protein binding that falsely elevate thyroid hormones

d)

Normal level of TSH

10.

65-year-old lung cancer patient was admitted due to abdominal pain, psychotic symptoms, bone pain and multiple calcium oxalate in urinalysis. What are the expected findings?

a)

Increased Ca, Increase PTH

b)

Decreased Ca, Increase PTH

c)

Increase Ca, Decreased PTH

d)

Decrease Ca, Decrease PTH

11.

Which of the following are incorrectly paired?

a)

Epinephrine: increased glycogenolysis in skeletal muscle

b)

Insulin: increased protein synthesis

c)

Glucagon: increased gluconeogenesis

d)

Progesterone: increased plasma glucose level

12.

A 19-year-old female present to her doctor with significant weight loss and 2nd amenorrhea. She has a high intensity exercise regimen, is preoccupied with food and seems to have an irrational fear of gaining weight. Which hormone is low that cause amenorrhea?

a)

Estradiol

b)

Progesterone

c)

GnRH

d)

hCG

13.

A 92-year-old man presents with dehydration following 4 days of persistent diarrhea. Under circumstance, hypotonic fluid would be expected in which of the following?

a)

PCT

b)

Descending Loop

c)

Ascending Loop

d)

Cortical Collecting Tubule

14.

In the presence of vasopressin, the greatest fraction of filtered water is absorbed in the?

a)

Proximal tubule

b)

Loop of Henle

c)

Distal tubule

d)

Cortical collecting duct

15.

Ovulation is caused by a sudden increase in the secretion of which of the following hormones?

a)

Estrogen

b)

FSH

c)

LH

d)

Progesterone

16.

Which of the following characteristics is shared by simple and facilitated diffusion of glucose?

a)

Occurs down an electrochemical gradient

b)

Is saturable

c)

Requires metabolic energy

d)

Is inhibited by the presence of galactose

17.

Transport of D- and L-glucose proceeds at the same rate down an electrochemical gradient by which of the following processes?

a)

Simple diffusion

b)

Facilitated diffusion

c)

Primary active transport

d)

Cotransport

18.

Which of the following is an inhibitory neurotransmitter in the central nervous system (CNS)?

a)

Norepinephrine

b)

Glutamate

c)

γ-Aminobutyric acid (GABA)

d)

Serotonin

19.

Degeneration of dopaminergic neurons has been implicated in

a)

schizophrenia

b)

Parkinson disease

c)

myasthenia gravis

d)

curare poisoning

20.

Cardiac output of the right side of the heart is what percentage of the cardiac output of the left side of the heart?

a)

25%

b)

50%

c)

75%

d)

100%