Which of the following muscle groupings are considered phasic muscles?

1. A. Triceps brachii, deltoid
2. B. Temporalis masseter
3. C. Quadratus lumborum, cervical erector spinae
4. D. Gastrocnemius, soleus

Correct Answer: A
Phasic muscles are fast twitch muscles and are best suited for quick movements. The triceps brachii and deltoid muscles are typically used for movements and do not have a postural role. They are also prone to inhibition as well as fatigue.

How many bones comprise the shoulder girdle?

1. A. 1
2. B. 2
3. C. 3
4. D. 4

Correct Answer: B
There are two bones that make the shoulder girdle - the clavicle and the scapula.

How many lobes are in each hemisphere of the cerebral cortex?

1. A. 2
2. B. 3
3. C. 4
4. D. 5

Correct Answer: C
The cerebral cortex is divided into two halves or hemispheres. Each hemisphere consists of four lobes: the frontal lobe, parietal lobe, occipital lobe and temporal lobe. The lobes relate not to brain function but rather to the bones that underlie the cerebral cortex. The borders of these lobes are dictated by sutures in the skull with the exception between the frontal and parietal lobes which follow a deep fold in the brain called the central sulcus and this is just behind the frontal and parietal sutures.

Applying force against an active movement by a client during an assessment is ______.

1. A. active ROM
2. B. active-assisted ROM C.
3. C. passive ROM
4. D. resistive ROM

Correct Answer: D
When a therapist applies force against an active movement during an assessment, they are providing resistive ROM. This is used to test for muscle strength and weakness.

If you are self-employed as a sole proprietor or independent contractor, which of the following forms must you file for business income and expenses with the IRS?

1. A. Schedule A
2. B. Schedule B
3. C. Schedule C
4. D. Schedule D

Correct Answer: C
An individual person, working as a sole proprietor or as an independent contractor, must file the Schedule C for all related business income and expenses to calculate the net profit or loss of the business. Net profit or loss is then carried to IRS Form 1040.