Which substance can easily cross the human blood brain barrier in a healthy individual?

a. viral proteins
b. bacterial DNA
c. human white blood cells
d. cortisol
e. albumin


ANSWER: d

Biology & Microbiology

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Which of the following is defined as "heat content"?

A) energy output B) heat loss C) entropy D) solar radiation E) enthalpy

Biology & Microbiology

Which of the following is not true concerning the large intestine?

a. It is also called the colon. b. It harbors beneficial bacteria. c. It is involved with the absorption of sodium. d. It is involved with the absorption of water. e. It secretes digestive enzymes.

Biology & Microbiology

What system is composed of the spinal cord and brain?

What will be an ideal response?

Biology & Microbiology

When blood glucose is low, __________ is secreted, which calls for the liver to break down glycogen.

Fill in the blank(s) with the appropriate word(s).

Biology & Microbiology