. Which hormones are collectively called the gonadotropins?
A. Prolactin and oxytocin
B. Antidiuretic hormone and oxytocin
C. Follicle-stimulating hormone and luteinizing hormone
D. Follicle-stimulating hormone and growth hormone
E. Thyroid-stimulating hormone and adrenocorticotropic hormone
C
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This is fine non-pigmented hair that covers the body of the fetus
a) Alopecia b) Vellus c) Lanugo d) Papilla e) Lunula
Structure I is composed of
A) actin and perimysium.
B) actin and myosin.
C) troponin and tropomyosin.
D) only myosin heads.
E) acetylcholine and cholinesterase.
Which statement about the medullary vertical osmotic gradient is incorrect?
a. Juxtamedullary nephrons create the gradient through countercurrent multiplication. b. Vasa recta supply blood to the medulla while conserving the gradient. c. Collecting tubules of juxtamedullary nephrons, but not cortical nephrons, descend through the gradient before emptying into the renal pelvis. d. The gradient permits excretion of urine of differing concentrations by means of vasopressin-controlled, variable H2O reabsorption from the final tubular segments. e. None of the above statements are incorrect.
Hypertension will cause ventricular contractions to become stronger to overcome the higher arterial blood pressure.
Answer the following statement true (T) or false (F)