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TLS Online TPP Program
#Question id: 16119
#Unit 7. System Physiology – Animal
Following statements are regarding to Shivering, which is the most potent mechanism for increasing heat production in the body.
A. Cold environmental temperatures activate centers in the posterior hypothalamus during shivering, which then activate the α and γ motoneurons innervating skeletal muscle.
B. Shivering involves skeletal muscle contracts rhythmically, generating heat and raising body temperature.
C. Shivering involves stimulation of Na+-K+ ATPase and raising body temperature.
D. Shivering involves stimulation of β receptors in brown fat, which increases metabolic rate and heat production.
Which of the following combination is correct?
TLS Online TPP Program
#Question id: 11446
#Unit 7. System Physiology – Animal
A physiologist is studying the homeostatic control of blood pH. What type of receptor might be responsible for detecting changes in blood pH?
TLS Online TPP Program
#Question id: 3453
#Unit 11. Evolution and Behavior
The degree of genetic relatedness between the offspring and their parents is
TLS Online TPP Program
#Question id: 12385
#Unit 7. System Physiology – Animal
To evaluate kidney function in a 45-year-old woman with type II diabetes, you ask her to collect her urine over 24 hours. She collects 3600 ml of urine in that period. The clinical laboratory returns the following results after analyzing the patient’s urine and plasma samples: plasma creatinine = 4 mg/dL, urine creatinine = 32 mg/dL, plasma potassium = 5 mmol/L, and urine potassium = 10 mmol/L.
What is the net renal tubular reabsorption rate of potassium in this patient?
TLS Online TPP Program
#Question id: 5108
#Unit 5. Developmental Biology
The absence of limbs in snakes may be attributable to the evolution of changes in: