Match each term on the left with its meaning on the right.

$$\begin{aligned} \text{eversion}\qquad \qquad \qquad\quad & \text{a. pertaining to the sole of the foot}\\ &\text{b. tail bone}\\ &\text{c. ventral cavity that contains heart, lungs, and associated structures}\\ &\text{d. toward the surface of the body (external)}\\ &\text{e. lying horizontal with face downward}\\ &\text{f. turning outward}\\ &\text{g. nearer to the center (trunk of the body)}\\ &\text{h. ventral cavity that contains digestive, reproductive, and excretory structures}\\ &\text{i. turning inward or inside out}\\ &\text{j. part of the spine known as the neck}\\ &\text{k. movement toward the median plane}\\ &\text{l. away from the head; toward the tail or lower part of a structure}\\ &\text{m. away from the surface of the body (internal)}\\ &\text{n. part of the spine known as the loin}\\ &\text{o. near the back of the body}\\ \end{aligned}$$

Match each term on the left with its meaning on the right.

$$\begin{aligned} \text{inferior (caudal)}\qquad \qquad \qquad\quad & \text{a. pertaining to the sole of the foot}\\ &\text{b. tail bone}\\ &\text{c. ventral cavity that contains heart, lungs, and associated structures}\\ &\text{d. toward the surface of the body (external)}\\ &\text{e. lying horizontal with face downward}\\ &\text{f. turning outward}\\ &\text{g. nearer to the center (trunk of the body)}\\ &\text{h. ventral cavity that contains digestive, reproductive, and excretory structures}\\ &\text{i. turning inward or inside out}\\ &\text{j. part of the spine known as the neck}\\ &\text{k. movement toward the median plane}\\ &\text{l. away from the head; toward the tail or lower part of a structure}\\ &\text{m. away from the surface of the body (internal)}\\ &\text{n. part of the spine known as the loin}\\ &\text{o. near the back of the body}\\ \end{aligned}$$

Match each term on the left with its meaning on the right.

$$\begin{aligned} \text{posterior (dorsal)}\qquad \qquad \qquad\quad & \text{a. pertaining to the sole of the foot}\\ &\text{b. tail bone}\\ &\text{c. ventral cavity that contains heart, lungs, and associated structures}\\ &\text{d. toward the surface of the body (external)}\\ &\text{e. lying horizontal with face downward}\\ &\text{f. turning outward}\\ &\text{g. nearer to the center (trunk of the body)}\\ &\text{h. ventral cavity that contains digestive, reproductive, and excretory structures}\\ &\text{i. turning inward or inside out}\\ &\text{j. part of the spine known as the neck}\\ &\text{k. movement toward the median plane}\\ &\text{l. away from the head; toward the tail or lower part of a structure}\\ &\text{m. away from the surface of the body (internal)}\\ &\text{n. part of the spine known as the loin}\\ &\text{o. near the back of the body}\\ \end{aligned}$$

Match each term on the left with its meaning on the right.

$$\begin{aligned} \text{superficial}\qquad \qquad \qquad\quad & \text{a. pertaining to the sole of the foot}\\ &\text{b. tail bone}\\ &\text{c. ventral cavity that contains heart, lungs, and associated structures}\\ &\text{d. toward the surface of the body (external)}\\ &\text{e. lying horizontal with face downward}\\ &\text{f. turning outward}\\ &\text{g. nearer to the center (trunk of the body)}\\ &\text{h. ventral cavity that contains digestive, reproductive, and excretory structures}\\ &\text{i. turning inward or inside out}\\ &\text{j. part of the spine known as the neck}\\ &\text{k. movement toward the median plane}\\ &\text{l. away from the head; toward the tail or lower part of a structure}\\ &\text{m. away from the surface of the body (internal)}\\ &\text{n. part of the spine known as the loin}\\ &\text{o. near the back of the body}\\ \end{aligned}$$

In a helium atom, which contains two electrons, do you think that on average the electrons are closer to the nucleus or farther away than in a hydrogen atom? Why?

A nucleus with mass number $A=182$ and atomic number $Z=74$ loses two neutrons. What are the resulting (a) mass number, (b) atomic number, and ( c) neutron number?

Match each term on the left with its meaning on the right.

$$\begin{aligned} \text{thoracic}\qquad \qquad \qquad\quad & \text{a. pertaining to the sole of the foot}\\ &\text{b. tail bone}\\ &\text{c. ventral cavity that contains heart, lungs, and associated structures}\\ &\text{d. toward the surface of the body (external)}\\ &\text{e. lying horizontal with face downward}\\ &\text{f. turning outward}\\ &\text{g. nearer to the center (trunk of the body)}\\ &\text{h. ventral cavity that contains digestive, reproductive, and excretory structures}\\ &\text{i. turning inward or inside out}\\ &\text{j. part of the spine known as the neck}\\ &\text{k. movement toward the median plane}\\ &\text{l. away from the head; toward the tail or lower part of a structure}\\ &\text{m. away from the surface of the body (internal)}\\ &\text{n. part of the spine known as the loin}\\ &\text{o. near the back of the body}\\ \end{aligned}$$

A diploid nucleus of Drosophila melanogaster contains about $3.4$ $X$ $10$ $^{8}$ nucleotide pairs. Assume (a) that all nuclear DNA is packaged in nucleosomes and (b) that an average internucleosome linker size is $60$ nucleotide pairs. How many nucleosomes would be present in a diploid nucleus of D. melanogaster? How many molecules of histone H$2$a, H$2$b, H$3$, and H$4$ would be required?

In a helium atom, which contains two electrons, do you think that on average the electrons are closer to the nucleus or farther away than in a hydrogen atom? Why?

At what velocity does a proton have a 6.00-fm wavelength (about the size of a nucleus)? Assume the proton is nonrelativistic. (1 femtometer =$10^{-15} \mathrm{m}).$

On a diagram of the human body, mark off various regions according to the rule of nines. What percentage of the total body surface is affected if the skin over the following body parts is burned? (a) the entire posterior trunk and buttocks, (b) an entire lower limb, (c) the entire front of the left upper limb.

Is the mass of an atomic nucleus greater or less than the sum of the masses of the nucleons composing it? Why don't the nucleon masses add up to the total nuclear mass?

Match each term on the left with its meaning on the right.

$$\begin{aligned} \text{lumbar}\qquad \qquad \qquad\quad & \text{a. pertaining to the sole of the foot}\\ &\text{b. tail bone}\\ &\text{c. ventral cavity that contains heart, lungs, and associated structures}\\ &\text{d. toward the surface of the body (external)}\\ &\text{e. lying horizontal with face downward}\\ &\text{f. turning outward}\\ &\text{g. nearer to the center (trunk of the body)}\\ &\text{h. ventral cavity that contains digestive, reproductive, and excretory structures}\\ &\text{i. turning inward or inside out}\\ &\text{j. part of the spine known as the neck}\\ &\text{k. movement toward the median plane}\\ &\text{l. away from the head; toward the tail or lower part of a structure}\\ &\text{m. away from the surface of the body (internal)}\\ &\text{n. part of the spine known as the loin}\\ &\text{o. near the back of the body}\\ \end{aligned}$$

The magnetic field near the center of a single circular loop of radius r, carrying current I, is given by:

$$B=\frac{\mu_0 I}{2 r}$$

Assume the planetary model for the hydrogen atom, in which a single electron makes a circular orbit of radius $5.3 \times 10^{-11} \mathrm{~m}$ about the nucleus. What magnitude of magnetic field would the orbiting electron produce at the nucleus?