A collection of similar tissues that performs a specific function is an ________. a. organ b. organelle c. organism d. organ system

Which of the following is an example of a normal physiologic process that uses a positive feedback loop? a. blood pressure regulation b. childbirth c. regulation of fluid balance d. temperature regulation

The heart is within the ________. a. cranial cavity b. mediastinum c. posterior (dorsal) cavity d. All of the above

A tissue is composed of a group of a. similar cells. b. related organelles. c. organ system.d. related organs.

Which of the following statements about nutrients is true? a. All classes of nutrients are essential to human survival. b. Because the body cannot store any micronutrients, they need to be consumed nearly every day. c. Carbohydrates, lipids, and proteins are micronutrients. d. Macronutrients are vitamins and minerals.

To make a banana split, you halve a banana into two long, thin, right and left sides along the ________. a. coronal plane b. longitudinal plane c. midsagittal plane d. transverse plane

What are two major disadvantages of MRI scans? a. release of radiation and poor quality images b. high cost and the need for shielding from the magnetic signals c. can only view metabolically active tissues and inadequate availability of equipment d. release of radiation and the need for a patient to be confined to metal tube for up to 30 minutes

When an atom donates an electron to another atom, it becomes a. an ion b. an anion c. nonpolar d. all of the above

Put the following in order, from smallest and simplest, to largest and most complex, and describe their individual roles in homeostasis: organ, molecule, organelle, atom, organ system, tissue, organism, cell, macromolecule.

A phospholipid ________. a. has both polar and nonpolar regions b. is made up of a triglyceride bonded to a phosphate group c. is a building block of ATP d. can donate both cations and anions in solution

which of the following is not a difference between DNA and RNA?

Which of the following is a functional group that is part of a building block of proteins? a. phosphate b. adenine c. amino d. ribose

A quantity of water is at $15 \mathrm{MPa}$ and $100^{\circ} \mathrm{C}$. Calculate the specific volume, in $\mathrm{m}^3 / \mathrm{kg}$, and the specific enthalpy, in $\mathrm{kJ} / \mathrm{kg}$, employing

(a) data from Table T-5.

(b) saturated liquid data from Table T- 2.

Java is architecturally _______.
a. specific
b. oriented
c. neutral
d. abstract