WorksheetsPhysiology
Total questions: 20
Worksheet time: 40mins
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?
Diarrhea
Facial flushing
Hyperacidity
Hypokalemia
A patient with tumor secreting abnormal amounts of gastrin (gastrinoma) would be most likely to exhibit which of the following?
Decreased chief cell exocytosis
Duodenal ulceration
Increased gastric pH in the period between meals
Reduced incidence of gastroesophageal reflux disease
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?
Cholecystokinin
Gastrin
VIP
GLP-1
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?
Receptive relaxation
Peristalsis
Retropulsion
Segmentation
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?
Defecation reflex
Gastrocolic reflex
Gastro-ileal reflex
Intestino-intestinal reflex
Saliva is important in lubrication, protection and even digestion of some carbohydrates. High flow rate of salivary secretion will have the following content EXCEPT?
Low sodium
Low potassium
Isotonic
Lingual lipase
Which of the following would not be produced by total pancreatectomy?
Vitamin E deficiency
Hyperglycemia
Weight gain
Decreased absorption of amino acid
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?
Decreased glucose absorption
Decreased water content of the feces
Increased bile acid concertation in the enterohepatic circulation
Increased excretion of fatty acids
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:
Wrong blood sample was submitted
Absence of Anti-thyroglobulin receptor
Elevated protein binding that falsely elevate thyroid hormones
Normal level of TSH
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?
Increased Ca, Increase PTH
Decreased Ca, Increase PTH
Increase Ca, Decreased PTH
Decrease Ca, Decrease PTH
Which of the following are incorrectly paired?
Epinephrine: increased glycogenolysis in skeletal muscle
Insulin: increased protein synthesis
Glucagon: increased gluconeogenesis
Progesterone: increased plasma glucose level
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?
Estradiol
Progesterone
GnRH
hCG
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?
PCT
Descending Loop
Ascending Loop
Cortical Collecting Tubule
In the presence of vasopressin, the greatest fraction of filtered water is absorbed in the?
Proximal tubule
Loop of Henle
Distal tubule
Cortical collecting duct
Ovulation is caused by a sudden increase in the secretion of which of the following hormones?
Estrogen
FSH
LH
Progesterone
Which of the following characteristics is shared by simple and facilitated diffusion of glucose?
Occurs down an electrochemical gradient
Is saturable
Requires metabolic energy
Is inhibited by the presence of galactose
Transport of D- and L-glucose proceeds at the same rate down an electrochemical gradient by which of the following processes?
Simple diffusion
Facilitated diffusion
Primary active transport
Cotransport
Which of the following is an inhibitory neurotransmitter in the central nervous system (CNS)?
Norepinephrine
Glutamate
γ-Aminobutyric acid (GABA)
Serotonin
Degeneration of dopaminergic neurons has been implicated in
schizophrenia
Parkinson disease
myasthenia gravis
curare poisoning
Cardiac output of the right side of the heart is what percentage of the cardiac output of the left side of the heart?
25%
50%
75%
100%
