Explore BrainMass

Human Anatomy and Physiology

Brain hemisphere functions

(a) Name the hemisphere involved with most people's ability to draw. (b) Provide the major function of each: primary motor cortex, premotor cortex, somatosensory association area, primary sensory area, visual and auditory areas, prefrontal cortex, Wernicke's and Broca's areas

Cerebrum: grooves/hemispheres/lobes

(a) What is the advantage of having a cerebrum that is highly convoluted? (b) What term is used to indicate its grooves? Its outward folds? (c) What groove divides the cerebrum into two hemispheres? (d) What divides the parietal from the frontal lobe? The parietal from the temporal lobe?


1) What is responsible for the banding pattern seen in skeletal muscle cells? 2)What is the functions of tendons? How is a tendon different from an aponeurosis? How is it similar? 3)How do isotonic and isometric contractions different ? 4) The sternocleidomastoid muscles help to flex the neck. What are their antagonist

Muscular system

Name three muscles or, muscle groups used as sites for intramuscular injections. Which is most often used in babies? Tom was advised by his doctor to lose weight and start jogging. He began to jog daily. On the sixth day, he was forced to jump out of the way of a speeding car. He heard a snapping sound that was immediatel

Muscular system

Detailed not needed, just verifying choice 1. Which of the following does NOT compress the abdomen ______________. latissimus dorsi rectus abdominis external oblique transversus abdominis internal oblique 2. Paralysis of which of the following would make an individual unabl

Muscle groups

Name two muscles in each of the following compartments or regions: (a) thenar eminence (ball of thumb), (b) posterior compartment of forearm, (c) anterior compartment of forearm?deep muscle group, (d) anterior muscle group in the arm, (e) muscles of mastication, (f) third muscle layer of the foot, (g) posterior compartment of le

Abdominal muscles

(a) Name the four muscle pairs that act in unison to compress the abdominal contents. (b) How does their arrangement (fiber direction) contribute to the strength of the abdominal wall? (c) Which of these muscles can effect lateral rotation of the spine? (d) Which can act alone to flex the spine?

Smooth muscle properties

Smooth muscle has some unique properties, such as low energy usage, ability to maintain contraction over long periods, and the stress-relaxation response. Tie these properties to the function of smooth muscle in the body.

Muscle fatigue

Describe the cause(s) of muscle fatigue and define this term clearly

Sacromere and sliding filament theory

(a) Describe the structure of a sarcomere and indicate the relationship of the sarcomere to the myofilament. (b) Explain the sliding filament theory of contraction inlcuding a relaxed and a contracted sarcomere

An Analysis of Skeletal System Conditions

Please discuss the following: 1) After having a severe cold accompanied by nasal congestion, one complained of a frontal headache and the right side of his face ached. What bony structures probably became infected by the bacteria or viruses causing the cold? 2) An elderly woman, stumbled while walking, she then felt a te

Thigh and leg bone

What is the anatomic name given to the bone that covers over the articulation between the thigh and the leg, and to what special bone group does this bone belong?

Sinuous curve

The clavicle can be palpated through its entire length and is said to follow a sinuous curve. What is meant by sinuous curve?

Vertebral curvatures

Of the normal vertebral curvatures, which are primary and which are secondary curvatures?

Knee problems

The knee has been called "a beauty and a beast". Provide several reasons that might explain the negative (beast) part of this description.

Joints and homeostasis

Discuss the relative value (to body homeostasis) of immovable, slightly moveable, and freely moveable joints.

Shoulder girdle and pelvic girdle

The major function of the shoulder girdle is flexibility. What is the major function of the pelvic girdle? Relate these functional differences to anatomical differences seen in these girdles.


A cell stimulated to increase its steroid production will have abundant____________. ribosomes, rough ER, smooth ER, Golgi apparatus or secretroy vesicles An epithelium built to withstand friction is _________________ simple squamous, simple columnar, stratified squamous, pseudostratified, or simple cuboidal Type of conn

Cell Anatomy and Physiology

6. Identify the earliest manifestation of cellular injury a. Accumulation of fat in the vacuoles of the cell b. Necrosis in the affected cells c. An accumulation of water within the cell d. Genetic derangements in cellular DNA and RNA 7. Select the best description of the arrangement of a cell membrane a. Carbohydrate bi

Urinary review questions

I have a 120 question review sheet only these 5 are giving me a problem. If you could explain each one, it will be greatly appreciated. 1. Compare contrast the composition of blood plasma and glomerular filtrate. 2. Explain the mechanism of tubular secretion, and explain it's importance in the urine formation process. 3. E

Nerve Damage in the PNS & CNS

Please help with the following problem. Provide a detailed explanation and include diagrams. Explain why damage to peripheral nerve fibers is often reversible, whereas damage to the central nerve fibers rarely is.

Effect of Posture on pulse and blood pressure

What is the effect of posture (i.e. sitting, standing, lying down for 1 minute, lying down for 10 minutes and standing after lying down) on blood pressure and pulse rate. What systems are involved and why?


As we grow our bones increase in diameter, but the thickness of the bony collar of the shaft remains relatively constant. Why?


A 50 year-old male complained of weakness on the right half of his face, which quickly led to the facial paralysis of this side. He was unable to wrinkle his forehead, smile, show his teeth. He was also unable to close his right eye. Taste perception was distorted over the left anterior portion of the tongue. There was compl