NLN PAX Science Practice Test 1

What is the primary neurotransmitter for the autonomic nervous system?

Karyotypes, or printed views of human chromosome pairs, can be used to detect genetic abnormalities.

What would the karyotype show in Down’s syndrome?

Which of these blood vessels contains the greatest percentage of smooth muscle?

The Achilles Tendon is an example of which type of tissue?

What are the major fat-soluble vitamins?

Type II diabetes, often known as adult-onset diabetes, may be caused by

A flashlight holds four D cell batteries. If each battery is 1.5 V, and the light output is 30 W, what is the current through the bulb?

Fertilization occurs in the

The villi in the small intestine and rugae in the stomach both increase

The dermis in the integumentary system is classified as an

If light strikes a mirror at a 30-degree angle of incidence, the angle of reflection will be

If a surfer travels at a constant velocity of 20 m/sec for 50 seconds, how far will the surfer have traveled?

Placing 20 grams of sugar cubes in 100 mL of water instantly creates a

A developing fetus is surrounded by the amnion, a protective membrane that is filled with fluid.

The membrane that helps with the formation of the placenta is known as the

The gland that controls the human sleep-wake cycle and other circadian rhythms is the