Which hormones help maintain a relatively constant calcium concentration in the blood?
a. Melanocyte-stimulating hormone (MSH), Calcitonin, Calcitriol
b. Luteinising hormone (LH), Calcitonin, Calcitriol
c. Adrenocorticotrophic hormone (ACTH), Calcitonin, Calcitriol
d. Parathyroid hormone (PTH), Calcitonin, Calcitriol
e. none of the above
Answer: d. Parathyroid hormone (PTH), Calcitonin, Calcitriol
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Oligodendrocytes and Schwann cells wrap themselves around neuronal processes, forming __________, a substance that increases conduction rates and decreases current leak
Fill in the blank with the correct word.
The function of the muscularis of the GI tract wall is to both propel and mix the contents of the tract
Indicate whether this statement is true or false.
A 3-year-old boy is diagnosed as having a persistent processus vaginalis in its middle portion. Which of the following conditions is most likely to be associated with this developmental anomaly?
(A) Direct inguinal hernia (B) Gubernaculum testis (C) Hematocele (D) Hydrocele (E) Cryptorchidism
While on a school skiing trip in Colorado, Heidi falls and breaks her tibia and fibula in a Pott's fracture. What would you expect as a prominent part of her clinical assessment several hours after the fall?
A) hypertension B) tachycardia C) erythema D) hematoma E) cyanosis