Neuroscience and Mental Health

Closing your eyes boosts memory recall?

Closing your eyes boosts memory recall?

is it true when you close your eyes you can remember more accurately and can you focus better?

joelsedz1   29   1 Reply

habiba

Elderly and new skills

Elderly and new skills

can elderly people learn new skills?

joelsedz1   29   1 Reply

bio_man

Choose the true statement that compares and contrasts the Maxwell-Boltzmann (MB) distribution, the ...

Choose the true statement that compares and contrasts the Maxwell-Boltzmann (MB) distribution, the ...

Choose the true statement that compares and contrasts the Maxwell-Boltzmann (MB) distribution, the Fermi-Dirac (FD) distribution, and the Bose-Einstein (BE) distributions.
  a. The MB, FD, and BE statistical factors agree only at low

mcke   120   2 Replies

Photons4us

Which scenario best illustrates scapegoating within a family?

Which scenario best illustrates scapegoating within a family?

Which scenario best illustrates scapegoating within a family?
 
  a. The identified patient sends messages of aggression to selected family members.
  b. Family members project problems of the family onto one particula

mystinkyfart   65   2 Replies

wubab314

A male client in his late 20s is diagnosed with binge-eating disorder. What etiologic factors does ...

A male client in his late 20s is diagnosed with binge-eating disorder. What etiologic factors does ...

A male client in his late 20s is diagnosed with binge-eating disorder. What etiologic factors does the nurse know most individuals with this disorder have? (Mark all that apply.)
 
  A) The client has maladaptive social skills.

hadtoregister   72   3 Replies

gabbyxgoes

The isotope, tritium, has a half-life of 12.3 years. Assume we have 10 kg of the substance. How much ...

The isotope, tritium, has a half-life of 12.3 years. Assume we have 10 kg of the substance. How much ...

The isotope, tritium, has a half-life of 12.3 years. Assume we have 10 kg of the substance. How much tritium will be left after 30 years?
 a. 0.20 kg
  b. 1.8 kg
  c. 0.18 kg
  d. 1.7 kg
  e. 4.1 kg

mahafakhoury   79   1 Reply

pm_me_ur_stands

44 g of petrified wood was found in a petrified forest. A sample showed a 14C activity of 100 ...

44 g of petrified wood was found in a petrified forest. A sample showed a 14C activity of 100 ...

44 g of petrified wood was found in a petrified forest. A sample showed a 14C activity of 100 decays/minute. How long has the tree been dead (in years)? (The half-life of carbon-14 is 5730 years and freshly cut wood contains 6.5  1010 atoms of 1

Omarlate   48   1 Reply

Tanzious02

The half-life of 131I is 8.04 days. Three days after it was prepared, its activity was 0.50 mCi. How ...

The half-life of 131I is 8.04 days. Three days after it was prepared, its activity was 0.50 mCi. How ...

The half-life of 131I is 8.04 days. Three days after it was prepared, its activity was 0.50 mCi. How many curies (in mCi) were initially prepared?
 a. .60
  b. .70
  c. .65
  d. .55
  e. .39

Mpron   34   1 Reply

ktlyn_16

How many radioactive atoms are present in a sample that has an activity of 0.5 mCi and a half-life ...

How many radioactive atoms are present in a sample that has an activity of 0.5 mCi and a half-life ...

How many radioactive atoms are present in a sample that has an activity of 0.5 mCi and a half-life of 10 years? (1 curie = 3.7  1010 decays/s)
 a. 9.5  1012 atoms
  b. 8.4  1012 atoms
  c. 7.3  1012 atoms

agilleland   56   1 Reply

juliaguay

Naturally radioactive nuclei can decay spontaneously by emitting the following particles:

Naturally radioactive nuclei can decay spontaneously by emitting the following particles:

Naturally radioactive nuclei can decay spontaneously by emitting the following particles:
 a. helium nuclei, electrons, photons
  b. electrons, neutrons, protons
  c. helium nuclei, electrons, protons
  d. electron

LuisJrB96   53   2 Replies

LuisJrB96

Because we know that the half-lives of many radioactive isotopes are millions of years, we can ...

Because we know that the half-lives of many radioactive isotopes are millions of years, we can ...

Because we know that the half-lives of many radioactive isotopes are millions of years, we can deduce that
 a. the longer it exists the more radioactive nuclei Earth produces.
  b. the sun is the source of all the radioactive nuclei o

kay20213   35   1 Reply

uigascbjk

An alpha particle is emitted from a radioactive source with an energy of 5 MeV. How fast is it ...

An alpha particle is emitted from a radioactive source with an energy of 5 MeV. How fast is it ...

An alpha particle is emitted from a radioactive source with an energy of 5 MeV. How fast is it moving (in m/s)? (m = 4.002 603 u, 1 u = 1.66  10-27 kg.)
 a. 2.4  107
  b. 1.6  107
  c. 3.7  107
 

country3313   38   1 Reply

tru.alx

How much kinetic energy must a deuterium ion (charge 1.6 10-19 C) have to approach to within 10-14 ...

How much kinetic energy must a deuterium ion (charge 1.6 10-19 C) have to approach to within 10-14 ...

How much kinetic energy must a deuterium ion (charge 1.6  10-19 C) have to approach to within 10-14 m of another deuterium ion? (1 MeV = 1.6  10-13 J)

jco177   41   1 Reply

jkost7

A pure sample of 226Ra contains 2.0 1014 atoms of the isotope. If the half-life of 226Ra = 1.6 103 ...

A pure sample of 226Ra contains 2.0 1014 atoms of the isotope. If the half-life of 226Ra = 1.6 103 ...

A pure sample of 226Ra contains 2.0  1014 atoms of the isotope. If the half-life of 226Ra = 1.6  103 years, what is the decay rate of this sample? (1 Ci = 3.7  1010 decays/s)

Argentina   84   1 Reply

nena1107

The half-life of 131I is 8 days. On a certain day, the activity of an 131I sample is 6.4 mCi. What ...

The half-life of 131I is 8 days. On a certain day, the activity of an 131I sample is 6.4 mCi. What ...

The half-life of 131I is 8 days. On a certain day, the activity of an 131I sample is 6.4 mCi. What is its activity 40 days later?

Flognog   53   1 Reply

Bboggie17

The radiocarbon content of 14C decreases after the death of a living system with a half-life of 5730 ...

The radiocarbon content of 14C decreases after the death of a living system with a half-life of 5730 ...

The radiocarbon content of 14C decreases after the death of a living system with a half-life of 5730 y. If an archaeologist working a dig finds an ancient firepit containing some partially consumed firewood and the wood contains only 12.5 percent of

jake08benn   42   1 Reply

howdy95

The theory of nuclear astrophysics is that all the heavy elements like uranium are formed in the ...

The theory of nuclear astrophysics is that all the heavy elements like uranium are formed in the ...

The theory of nuclear astrophysics is that all the heavy elements like uranium are formed in the interior of massive stars. These stars eventually explode, releasing these elements into space. If we assume that at the time of the explosion there were

BJ   42   1 Reply

afifazuki

How many grams of deuterium (atomic mass = 2.014 1 u) must be fused to helium (atomic mass 4.002 6 ...

How many grams of deuterium (atomic mass = 2.014 1 u) must be fused to helium (atomic mass 4.002 6 ...

How many grams of deuterium (atomic mass = 2.014 1 u) must be fused to helium (atomic mass 4.002 6 u) in one second to produce 3 000 MJ of energy? 1 u = 1.66  10-27 kg

jerhughes   41   2 Replies

jerhughes

Which of the following statements about the differences between Fermi-Dirac statistics and ...

Which of the following statements about the differences between Fermi-Dirac statistics and ...

Which of the following statements about the differences between Fermi-Dirac statistics and Bose-Einstein statistics is NOT true?
  a. Fermi-Dirac statistics and Bose-Einstein statistics both apply to particles with half-integer spin.

Tzasqatch   33   1 Reply

asistrunk13

Which of the following statements best demonstrates the necessity of statistical physics as a valid ...

Which of the following statements best demonstrates the necessity of statistical physics as a valid ...

Which of the following statements best demonstrates the necessity of statistical physics as a valid field of physics?
  a. Physicists are always striving to break problems down into their ultimate constituents, so that all problems fr

LuisJrB96   38   1 Reply

Elayyyna

The Maxwell velocity distribution indicates that a.the total translational kinetic energy of all ...

The Maxwell velocity distribution indicates that a.the total translational kinetic energy of all ...

The Maxwell velocity distribution indicates that
 
  a.the total translational kinetic energy of all of the molecules in a sample of an ideal gas is (3/2)(kT)(V).
  b.the mean velocity of the

bkm1   34   1 Reply

vazadir

According to the equipartition theorem, the molar heat capacity of a monatomic ideal gas

According to the equipartition theorem, the molar heat capacity of a monatomic ideal gas

According to the equipartition theorem, the molar heat capacity of a monatomic ideal gas
  a. depends on temperature.
  b. is larger than the molar heat capacity of a diatomic ideal gas.
  c. does not depend on whi

retard23   35   1 Reply

Tmheath

Imagine that you could put three electrons into isolation in a box. Initially, electrons A and B ...

Imagine that you could put three electrons into isolation in a box. Initially, electrons A and B ...

Imagine that you could put three electrons into isolation in a box. Initially, electrons A and B have kinetic energy E0 and electron C has kinetic energy 2E0. After isolation from observation for a short time,

Omarlate   31   1 Reply

juliaguay

What is the Fermi energy?

What is the Fermi energy?

What is the Fermi energy?
 
  a.At temperatures approaching T = 0, the energy of the level at which the most energetic fermion lies.
  b.The lowest energy that an electron in an atom will be likely to

mbhound   36   1 Reply

howdy95

The density of states functions in quantum mechanical distributions give

The density of states functions in quantum mechanical distributions give

The density of states functions in quantum mechanical distributions give
  a. the number of particles at a given energy level.
  b. the number of energy states available per unit of energy range.
  c. the statistic

Lauryn   35   2 Replies

Lauryn

Coxa vara refers to: (Multiple Choice)

Coxa vara refers to: (Multiple Choice)

Coxa vara refers to:
 
  A) an abnormal decrease in the angle between the shaft of the femur and the tibia.
  B) an abnormal decrease in the angle between the head and neck of the femur and its shaft (angle of inclinati

joker   38   1 Reply

Tanzious02

The part of the femur that is most susceptible to fracture in conjunction with osteoporosis is: ...

The part of the femur that is most susceptible to fracture in conjunction with osteoporosis is: ...

The part of the femur that is most susceptible to fracture in conjunction with osteoporosis is:
 
  A) mid-shaft.
  B) medial condyle.
  C) along the intertrochanteric line.
  D) neck.
  E)

howardgiles112   37   1 Reply

ztboyce

In the following radiograph of the hip, the arrow points to the:

In the following radiograph of the hip, the arrow points to the:

In the following radiograph of the hip, the arrow points to the:
 
  A) greater trochanter.
  B) lesser trochanter.
  C) ischial spine.
  D) quadrate tubercle.
  E) femoral neck.
 

Flognog   33   2 Replies

Flognog

The talus articulates with all of the following bones except:

The talus articulates with all of the following bones except:

The talus articulates with all of the following bones except:
 
  A) cuboid.
  B) navicular.
  C) calcaneus.
  D) tibia.
  E) fibula.

ttteel   33   1 Reply

dianardo

You examine a young patient in the emergency room who is complaining of ankle pain following a ...

You examine a young patient in the emergency room who is complaining of ankle pain following a ...

You examine a young patient in the emergency room who is complaining of ankle pain following a soccer game. The patient demonstrates to you that an accident resulted in his foot being forced into an excessively inverted position.
 
&n

mbhound   34   1 Reply

jajikim

The iliotibial tract is the conjoint distal aponeurotic attachment of which of the following pairs ...

The iliotibial tract is the conjoint distal aponeurotic attachment of which of the following pairs ...

The iliotibial tract is the conjoint distal aponeurotic attachment of which of the following pairs of muscles?
 
  A) gluteus medius and minimus
  B) gluteus medius and maximus
  C) gluteus maximus and the ten

haileyrasmussen   38   1 Reply

yujenni16

Which of the following is incorrect pertaining to the great saphenous vein?

Which of the following is incorrect pertaining to the great saphenous vein?

Which of the following is incorrect pertaining to the great saphenous vein?
 
  A) It passes posterior to the medial malleolus.
  B) It passes posterior to the medial condyle of the femur.
  C) It drains into

haileyrasmussen   47   1 Reply

dianardo

A saphenous cutdown refers to a skin incision associated with:

A saphenous cutdown refers to a skin incision associated with:

A saphenous cutdown refers to a skin incision associated with:
 
  A) removal of the saphenous vein for use in a coronary bypass procedure.
  B) insertion of a cannula into the vein at the ankle for prolonged administra

bwebb03   37   1 Reply

Vecksa

Which of the following is incorrect pertaining to human locomotion?

Which of the following is incorrect pertaining to human locomotion?

Which of the following is incorrect pertaining to human locomotion?
 
  A) The stance phase of walking begins with foot-flat as the entire plantar surface of the foot contacts the ground.
  B) The stance phase of walkin

country3313   44   1 Reply

amelicox35

You examine a female patient with enlarged superficial inguinal lymph nodes. Upon further ...

You examine a female patient with enlarged superficial inguinal lymph nodes. Upon further ...

You examine a female patient with enlarged superficial inguinal lymph nodes. Upon further examination you cannot find any cutaneous or subcutaneous signs that would suggest an infection.
 
  Perplexed, you ask your colleague what

QiTian   27   1 Reply

sureshranabhat

Which of the following is incorrect pertaining to the femoral triangle?

Which of the following is incorrect pertaining to the femoral triangle?

Which of the following is incorrect pertaining to the femoral triangle?
 
  A) The femoral sheath and its contents enter the triangle by passing posterior to the inguinal ligament.
  B) The femoral nerve enters the tria

Leahh3749   41   2 Replies

Leahh3749

Which of the following is incorrect pertaining to the patella?

Which of the following is incorrect pertaining to the patella?

Which of the following is incorrect pertaining to the patella?
 
  A) It increases the mechanical advantage of the quadriceps femoris for extending the knee.
  B) Its apex indicates the level of the knee joint when the

Lauryn   34   1 Reply

heyou

While on a neurology rotation, the attending physician asks you to test a patient's femoral nerve ...

While on a neurology rotation, the attending physician asks you to test a patient's femoral nerve ...

While on a neurology rotation, the attending physician asks you to test a patient's femoral nerve function. Which of the following would you do?
 
  A) Have the patient do a sit-up while you hold and resist his thigh.
 

retard23   35   1 Reply

beats51

Which of the following is incorrect pertaining to the femoral canal?

Which of the following is incorrect pertaining to the femoral canal?

Which of the following is incorrect pertaining to the femoral canal?
 
  A) It is the passageway by which the external iliac vessels enter the thigh.
  B) its abdominal opening is termed the femoral ring
  C)

hockeyguy9   37   1 Reply

danielmata99

The adductor canal is: (Multiple Choice)

The adductor canal is: (Multiple Choice)

The adductor canal is:
 
  A) an opening in the adductor magnus muscle.
  B) a mid-thigh intermuscular passageway that conducts the femoral vessels.
  C) the space between the adductor longus and brevis that t

Jayfan25   28   1 Reply

royboy1