test 3: questions Flashcards
Hormones belong to several general classes. Which is NOT a general class of hormone
Nucleic acid
Polysaccharide
which one does NOT serve as a second messenger for intracellular signaling
Sodium ion
Growth hormone (GH) has profound metabolic effects; can
Enhance amino acid uptake by all tissues
Enhance fat utilization for energy
Increase insulin secretion
Hypothyroidism is common in middle to older aged cats, choose a clinical sign you would expect to see with a hyperthyroid cat
ncreased heart rate Anxiety Weight loss Elevated level of TSI Increased sweating Elevated T4 in blood
Clinical sign you would NOT see with hyperthyroid cat
Constipation
Decreased HR
Dietary iodine deficiency results in endemic goiter, what do you expect in animals with iodine deficiency
Elevated level of TSH in blood
Which statement regarding thyroid hormone synthesis and secretion is FALSE
Iodide pump does NOT transport thiocyanate ions
TSH increases secretory activity of follicular cells but has no effect on size and number of follicular cells
Relocation to colder environment decreases the rate of TRH secretion by hypothalamus and thus conserves energy
Hyperadrenalism (cushings) results from excess secretion of glucocorticoids. Which is NOT likely a cause of it
Autoimmune destruction of the adrenal cortex
LIKELY causes of above
Pituitary tumor
Ectopic ACTH secreting tumors
Adrenocortical tumors
Physiologically, epinephrine and norepinephrine cause
Increased blood flow to active muscles
Increased rate of blood coagulation
Increased metabolic rate
Which of the following hormones act as paracrine factor in the pancreas
Somatostatin