Identify the incorrect statement about cones in the retina:
a. They are used for day vision.
b. They are very sensitive to light.
c. They exhibit high acuity.
d. They are concentrated in the fovea.
e. They provide color vision.
B
You might also like to view...
Helper T-lymphocytes primarily contain the CD8 coreceptor
Indicate whether this statement is true or false.
Using Figure 15.1, match the following:
1) Produces the hormones that promote the development of the female secondary sexual characteristics at puberty. 2) Storehouse for the hormones produced by the hypothalamus of the brain. 3) Produces the hormones that direct the production of the secondary male sex characteristics. 4) Produce steroid hormones and glucocorticoids and mineralocorticoids. 5) Produces hormones and is considered a neuroendocrine organ.
Evangeline is 5'4" and weighs 200 pounds. According to the BMI chart, she is
A) underweight. B) a healthy weight. C) obese. D) overweight.
A brief contraction of all muscle fibers in a motor unit in response to a single action potential moving down the somatic motor neuron is known as
a) isometric contraction. b) isotonic contraction. c) tetany. d) refractory period. e) twitch contraction.